Re: [PATCH 1/2] media: dt-bindings: allwinner: video-engine: Fix number of IOMMU channels

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On 11/16/22 13:31, Jernej Skrabec wrote:
> Cedrus (video engine) on Allwinner H6 actually uses two IOMMU channel,
> not just one. However, Cedrus on SoCs like D1 only uses one channel.
> 
> Allow up to 2 IOMMU channels.
> 
> Fixes: 62a8ccf3a248 ("arm64: dts: allwinner: h6: Fix Cedrus IOMMU usage")
> Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>
> ---
>  .../bindings/media/allwinner,sun4i-a10-video-engine.yaml        | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml
> index 541325f900a1..257bb372d166 100644
> --- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml
> +++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml
> @@ -55,7 +55,7 @@ properties:
>      description: Phandle to the device SRAM
>  
>    iommus:
> -    maxItems: 1
> +    maxItems: 2

You need to add minItems: 1, or else this will require two items.

Regards,
Samuel

>  
>    memory-region:
>      maxItems: 1




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